chi-square test for homogeneity

The chi-square test for homogeneity is a test made to determine whether several populations are similar or equal or homogeneous in some characteristics

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I tried the problem provided in the link

Problem - Know how to compute the chi-square homegeniety test statistics.

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Step 2

Step 3

1-pchisq(19,df=2) - R Command

7.485183e-05

Since it is less than 0.05, you reject the null hypothesis

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